Tyrone said that the ages of his siblings are all part of the solution set of y > 2x, where x is the age
of a sibling and y is Tyrone's age. Which of the
following ages is possible for Tyrone and a sibling?
Tyrone is 23; Maxine is 14.
Tyrone is 18; Camille is 8.
Tyrone is 12; Francis is 4.
Tyrone is 11; Martin is 6.
Tyrone is 19; Paul is 9.

How many zeros does the function f(x)=4x3-x2+1 have

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.